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* - Move global network epoch definition to epoch.h, as more differentGleb Smirnoff2020-01-151-2/+1
| | | | | | | | | | | subsystems tend to need to know about it, and including if_var.h is huge header pollution for them. Polluting possible non-network users with single symbol seems much lesser evil. - Remove non-preemptible network epoch. Not used yet, and unlikely to get used in close future. Notes: svn path=/head/; revision=356748
* Remove pfctlinput2(). It came from KAME and had never ever been in use.Gleb Smirnoff2019-10-151-23/+0
| | | | Notes: svn path=/head/; revision=353566
* Enter network epoch in domain callouts.Gleb Smirnoff2019-10-091-0/+8
| | | | Notes: svn path=/head/; revision=353349
* sys: further adoption of SPDX licensing ID tags.Pedro F. Giffuni2017-11-201-0/+2
| | | | | | | | | | | | | | | | | Mainly focus on files that use BSD 3-Clause license. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts. Special thanks to Wind River for providing access to "The Duke of Highlander" tool: an older (2014) run over FreeBSD tree was useful as a starting point. Notes: svn path=/head/; revision=326023
* Renumber license clauses in sys/kern to avoid skipping #3Ed Maste2016-09-151-1/+1
| | | | Notes: svn path=/head/; revision=305832
* The pr_destroy field does not allow us to run the teardown code in aBjoern A. Zeeb2016-06-011-4/+0
| | | | | | | | | | | | | | | | | | | | | | | | specific order. VNET_SYSUNINITs however are doing exactly that. Thus remove the VIMAGE conditional field from the domain(9) protosw structure and replace it with VNET_SYSUNINITs. This also allows us to change some order and to make the teardown functions file local static. Also convert divert(4) as it uses the same mechanism ip(4) and ip6(4) use internally. Slightly reshuffle the SI_SUB_* fields in kernel.h and add a new ones, e.g., for pfil consumers (firewalls), partially for this commit and for others to come. Reviewed by: gnn, tuexen (sctp), jhb (kernel.h) Obtained from: projects/vnet MFC after: 2 weeks X-MFC: do not remove pr_destroy Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D6652 Notes: svn path=/head/; revision=301114
* Introduce a new protocol hook pru_aio_queue.John Baldwin2016-04-291-0/+1
| | | | | | | | | | This allows a protocol to claim individual AIO requests instead of using the default socket AIO handling. Sponsored by: Chelsio Communications Notes: svn path=/head/; revision=298796
* CALLOUT_MPSAFE has lost its meaning since r141428, i.e., for more than tenJung-uk Kim2015-05-221-2/+2
| | | | | | | | | | | | | years for head. However, it is continuously misused as the mpsafe argument for callout_init(9). Deprecate the flag and clean up callout_init() calls to make them more consistent. Differential Revision: https://reviews.freebsd.org/D2613 Reviewed by: jhb MFC after: 2 weeks Notes: svn path=/head/; revision=283291
* Merge from projects/sendfile: extend protocols API to supportGleb Smirnoff2014-11-301-0/+1
| | | | | | | | | | | | sending not ready data: o Add new flag to pru_send() flags - PRUS_NOTREADY. o Add new protocol method pru_ready(). Sponsored by: Nginx, Inc. Sponsored by: Netflix Notes: svn path=/head/; revision=275329
* - Implement two new system calls:Pawel Jakub Dawidek2013-03-021-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | int bindat(int fd, int s, const struct sockaddr *addr, socklen_t addrlen); int connectat(int fd, int s, const struct sockaddr *name, socklen_t namelen); which allow to bind and connect respectively to a UNIX domain socket with a path relative to the directory associated with the given file descriptor 'fd'. - Add manual pages for the new syscalls. - Make the new syscalls available for processes in capability mode sandbox. - Add capability rights CAP_BINDAT and CAP_CONNECTAT that has to be present on the directory descriptor for the syscalls to work. - Update audit(4) to support those two new syscalls and to handle path in sockaddr_un structure relative to the given directory descriptor. - Update procstat(1) to recognize the new capability rights. - Document the new capability rights in cap_rights_limit(2). Sponsored by: The FreeBSD Foundation Discussed with: rwatson, jilles, kib, des Notes: svn path=/head/; revision=247667
* There is no need anymore to include vm/uma.h after r241726.Pawel Jakub Dawidek2012-12-071-2/+0
| | | | | | | Obtained from: WHEEL Systems Notes: svn path=/head/; revision=243992
* - according to POSIX, make socket(2) return EAFNOSUPPORT rather thanKevin Lo2012-12-071-24/+31
| | | | | | | | | | | EPROTONOSUPPORT if the address family is not supported. - introduce pffinddomain() to find a domain by family and use it as appropriate. Reviewed by: glebius Notes: svn path=/head/; revision=243965
* Move UMA socket zone initialization from uipc_domain.c to uipc_socket.cAndre Oppermann2012-10-191-17/+0
| | | | | | | into one place next to its other related functions to avoid confusion. Notes: svn path=/head/; revision=241726
* Catch up with r195837 (2.5 years ago) which renamed net_add_domain() to ↵Christian Brueffer2012-02-231-1/+1
| | | | | | | | | | | domain_add(). PR: 165424 Submitted by: Lachlan Kang MFC after: 1 week Notes: svn path=/head/; revision=232051
* When registering a protocol to an existing protocol domain viaMarko Zec2009-08-241-1/+8
| | | | | | | | | | | | | | | pf_proto_register(), iterate over all existing vnets to call protosw_init() and thus the appropriate .pr_init() handler in the context of each vnet. NB in the future we probably want to separate pr_init() handlers into two, i.e. per-vnet and global, functions. This change has no impact on nooptions VIMAGE builds. Approved by: re (rwatson), julian (mentor) MFC after: 3 days Notes: svn path=/head/; revision=196501
* Merge the remainder of kern_vimage.c and vimage.h into vnet.c andRobert Watson2009-08-011-1/+3
| | | | | | | | | | | | | vnet.h, we now use jails (rather than vimages) as the abstraction for virtualization management, and what remained was specific to virtual network stacks. Minor cleanups are done in the process, and comments updated to reflect these changes. Reviewed by: bz Approved by: re (vimage blanket) Notes: svn path=/head/; revision=196019
* Introduce and use a sysinit-based initialization scheme for virtualRobert Watson2009-07-231-36/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | network stacks, VNET_SYSINIT: - Add VNET_SYSINIT and VNET_SYSUNINIT macros to declare events that will occur each time a network stack is instantiated and destroyed. In the !VIMAGE case, these are simply mapped into regular SYSINIT/SYSUNINIT. For the VIMAGE case, we instead use SYSINIT's to track their order and properties on registration, using them for each vnet when created/ destroyed, or immediately on module load for already-started vnets. - Remove vnet_modinfo mechanism that existed to serve this purpose previously, as well as its dependency scheme: we now just use the SYSINIT ordering scheme. - Implement VNET_DOMAIN_SET() to allow protocol domains to declare that they want init functions to be called for each virtual network stack rather than just once at boot, compiling down to DOMAIN_SET() in the non-VIMAGE case. - Walk all virtualized kernel subsystems and make use of these instead of modinfo or DOMAIN_SET() for init/uninit events. In some cases, convert modular components from using modevent to using sysinit (where appropriate). In some cases, do minor rejuggling of SYSINIT ordering to make room for or better manage events. Portions submitted by: jhb (VNET_SYSINIT), bz (cleanup) Discussed with: jhb, bz, julian, zec Reviewed by: bz Approved by: re (VIMAGE blanket) Notes: svn path=/head/; revision=195837
* Build on Jeff Roberson's linker-set based dynamic per-CPU allocatorRobert Watson2009-07-141-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (DPCPU), as suggested by Peter Wemm, and implement a new per-virtual network stack memory allocator. Modify vnet to use the allocator instead of monolithic global container structures (vinet, ...). This change solves many binary compatibility problems associated with VIMAGE, and restores ELF symbols for virtualized global variables. Each virtualized global variable exists as a "reference copy", and also once per virtual network stack. Virtualized global variables are tagged at compile-time, placing the in a special linker set, which is loaded into a contiguous region of kernel memory. Virtualized global variables in the base kernel are linked as normal, but those in modules are copied and relocated to a reserved portion of the kernel's vnet region with the help of a the kernel linker. Virtualized global variables exist in per-vnet memory set up when the network stack instance is created, and are initialized statically from the reference copy. Run-time access occurs via an accessor macro, which converts from the current vnet and requested symbol to a per-vnet address. When "options VIMAGE" is not compiled into the kernel, normal global ELF symbols will be used instead and indirection is avoided. This change restores static initialization for network stack global variables, restores support for non-global symbols and types, eliminates the need for many subsystem constructors, eliminates large per-subsystem structures that caused many binary compatibility issues both for monitoring applications (netstat) and kernel modules, removes the per-function INIT_VNET_*() macros throughout the stack, eliminates the need for vnet_symmap ksym(2) munging, and eliminates duplicate definitions of virtualized globals under VIMAGE_GLOBALS. Bump __FreeBSD_version and update UPDATING. Portions submitted by: bz Reviewed by: bz, zec Discussed with: gnn, jamie, jeff, jhb, julian, sam Suggested by: peter Approved by: re (kensmith) Notes: svn path=/head/; revision=195699
* Introduce an infrastructure for dismantling vnet instances.Marko Zec2009-06-081-1/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Vnet modules and protocol domains may now register destructor functions to clean up and release per-module state. The destructor mechanisms can be triggered by invoking "vimage -d", or a future equivalent command which will be provided via the new jail framework. While this patch introduces numerous placeholder destructor functions, many of those are currently incomplete, thus leaking memory or (even worse) failing to stop all running timers. Many of such issues are already known and will be incrementaly fixed over the next weeks in smaller incremental commits. Apart from introducing new fields in structs ifnet, domain, protosw and vnet_net, which requires the kernel and modules to be rebuilt, this change should have no impact on nooptions VIMAGE builds, since vnet destructors can only be called in VIMAGE kernels. Moreover, destructor functions should be in general compiled in only in options VIMAGE builds, except for kernel modules which can be safely kldunloaded at run time. Bump __FreeBSD_version to 800097. Reviewed by: bz, julian Approved by: rwatson, kib (re), julian (mentor) Notes: svn path=/head/; revision=193731
* Introduce vnet module registration / initialization framework withMarko Zec2009-04-111-2/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | dependency tracking and ordering enforcement. With this change, per-vnet initialization functions introduced with r190787 are no longer directly called from traditional initialization functions (which cc in most cases inlined to pre-r190787 code), but are instead registered via the vnet framework first, and are invoked only after all prerequisite modules have been initialized. In the long run, this framework should allow us to both initialize and dismantle multiple vnet instances in a correct order. The problem this change aims to solve is how to replay the initialization sequence of various network stack components, which have been traditionally triggered via different mechanisms (SYSINIT, protosw). Note that this initialization sequence was and still can be subtly different depending on whether certain pieces of code have been statically compiled into the kernel, loaded as modules by boot loader, or kldloaded at run time. The approach is simple - we record the initialization sequence established by the traditional mechanisms whenever vnet_mod_register() is called for a particular vnet module. The vnet_mod_register_multi() variant allows a single initializer function to be registered multiple times but with different arguments - currently this is only used in kern/uipc_domain.c by net_add_domain() with different struct domain * as arguments, which allows for protosw-registered initialization routines to be invoked in a correct order by the new vnet initialization framework. For the purpose of identifying vnet modules, each vnet module has to have a unique ID, which is statically assigned in sys/vimage.h. Dynamic assignment of vnet module IDs is not supported yet. A vnet module may specify a single prerequisite module at registration time by filling in the vmi_dependson field of its vnet_modinfo struct with the ID of the module it depends on. Unless specified otherwise, all vnet modules depend on VNET_MOD_NET (container for ifnet list head, rt_tables etc.), which thus has to and will always be initialized first. The framework will panic if it detects any unresolved dependencies before completing system initialization. Detection of unresolved dependencies for vnet modules registered after boot (kldloaded modules) is not provided. Note that the fact that each module can specify only a single prerequisite may become problematic in the long run. In particular, INET6 depends on INET being already instantiated, due to TCP / UDP structures residing in INET container. IPSEC also depends on INET, which will in turn additionally complicate making INET6-only kernel configs a reality. The entire registration framework can be compiled out by turning on the VIMAGE_GLOBALS kernel config option. Reviewed by: bz Approved by: julian (mentor) Notes: svn path=/head/; revision=190909
* Remove Giant locking from domains list.Ed Schouten2009-01-041-9/+9
| | | | | | | | | | | | | | | | | During boot, the domain list is locked with Giant. It is not possible to register any protocols after the system has booted, so the lock is only used to protect insertion of entries. There is already a mutex in uipc_domain.c called dom_mtx. Use this mutex to lock the list, instead of using Giant. It won't matter anything with respect to performance, but we'll never get rid of Giant if we don't remove from places where we don't need it. Approved by: rwatson MFC after: 3 weeks Notes: svn path=/head/; revision=186747
* Remove two further uses (debugging and NULLing) of pr_ousrreq, missed dueRobert Watson2009-01-041-1/+0
| | | | | | | | | to svn commit in the wrong directory. Spotted by: bz Notes: svn path=/head/; revision=186746
* Following the recent security advisory, add a comment describing ourRobert Watson2008-12-251-0/+22
| | | | | | | | | | | | | | | | | | | | invariants and approach for protocol switch methods in protsw_init(), and also some KASSERT's for non-domain init entries in protocol switch tables: pru_abort and pru_send must both be implemented. For now, leave those assertions #if 0'd, since there are a few protocols that violate them in non-harmful ways. Whether or not we should enforce pru_abort being implemented for non-stream protocols is an interesting question: currently abort is only invoked on stream sockets in situations where un-accepted sockets must be abruptly closed (i.e., close() on a listen socket with pending connections), but in principle it is useful for datagram sockets and most datagram socket types implement it. MFC after: 3 weeks Notes: svn path=/head/; revision=186493
* Prevent cross-site forgery attacks on ftpd(8) due to splittingColin Percival2008-12-231-0/+5
| | | | | | | | | | | | | | | | long commands into multiple requests. [08:12] Avoid calling uninitialized function pointers in protocol switch code. [08:13] Merry Christmas everybody... Approved by: so (cperciva) Approved by: re (kensmith) Security: FreeBSD-SA-08:12.ftpd, FreeBSD-SA-08:13.protosw Notes: svn path=/head/; revision=186405
* In keeping with style(9)'s recommendations on macros, use a ';'Robert Watson2008-03-161-2/+2
| | | | | | | | | | | | after each SYSINIT() macro invocation. This makes a number of lightweight C parsers much happier with the FreeBSD kernel source, including cflow's prcc and lxr. MFC after: 1 month Discussed with: imp, rink Notes: svn path=/head/; revision=177253
* Remove the now-unused NET_{LOCK,UNLOCK,ASSERT}_GIANT() macros, whichRobert Watson2007-08-061-4/+0
| | | | | | | | | | | | | | | | | | previously conditionally acquired Giant based on debug.mpsafenet. As that has now been removed, they are no longer required. Removing them significantly simplifies error-handling in the socket layer, eliminated quite a bit of unwinding of locking in error cases. While here clean up the now unneeded opt_net.h, which previously was used for the NET_WITH_GIANT kernel option. Clean up some related gotos for consistency. Reviewed by: bz, csjp Tested by: kris Approved by: re (kensmith) Notes: svn path=/head/; revision=171744
* First in a series of changes to remove the now-unused Giant compatibilityRobert Watson2007-07-271-7/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | framework for non-MPSAFE network protocols: - Remove debug_mpsafenet variable, sysctl, and tunable. - Remove NET_NEEDS_GIANT() and associate SYSINITSs used by it to force debug.mpsafenet=0 if non-MPSAFE protocols are compiled into the kernel. - Remove logic to automatically flag interrupt handlers as non-MPSAFE if debug.mpsafenet is set for an INTR_TYPE_NET handler. - Remove logic to automatically flag netisr handlers as non-MPSAFE if debug.mpsafenet is set. - Remove references in a few subsystems, including NFS and Cronyx drivers, which keyed off debug_mpsafenet to determine various aspects of their own locking behavior. - Convert NET_LOCK_GIANT(), NET_UNLOCK_GIANT(), and NET_ASSERT_GIANT into no-op's, as their entire behavior was determined by the value in debug_mpsafenet. - Alias NET_CALLOUT_MPSAFE to CALLOUT_MPSAFE. Many remaining references to NET_.*_GIANT() and NET_CALLOUT_MPSAFE are still present in subsystems, and will be removed in followup commits. Reviewed by: bz, jhb Approved by: re (kensmith) Notes: svn path=/head/; revision=171613
* Generally migrate to ANSI function headers, and remove 'register' use.Robert Watson2007-05-161-36/+20
| | | | Notes: svn path=/head/; revision=169624
* soreceive_generic(), and sopoll_generic(). Add new functions sosend(),Robert Watson2006-07-241-3/+3
| | | | | | | | | | | | | | | | | | | soreceive(), and sopoll(), which are wrappers for pru_sosend, pru_soreceive, and pru_sopoll, and are now used univerally by socket consumers rather than either directly invoking the old so*() functions or directly invoking the protocol switch method (about an even split prior to this commit). This completes an architectural change that was begun in 1996 to permit protocols to provide substitute implementations, as now used by UDP. Consumers now uniformly invoke sosend(), soreceive(), and sopoll() to perform these operations on sockets -- in particular, distributed file systems and socket system calls. Architectural head nod: sam, gnn, wollman Notes: svn path=/head/; revision=160619
* Several protocol switch functions (pru_abort, pru_detach, pru_sosetlabel)Robert Watson2006-07-111-4/+0
| | | | | | | | | return void, so don't implement no-op versions of these functions. Instead, consistently check if those switch pointers are NULL before invoking them. Notes: svn path=/head/; revision=160281
* Allow for nmbclusters and maxsockets to be increased via sysctl.Paul Saab2006-04-211-0/+10
| | | | | | | | An eventhandler is used to update all the various zones that depend on these values. Notes: svn path=/head/; revision=157927
* The sysctls kern.ipc.[max_linkhdr|max_protohdr|max_hdr|max_datalen]Andre Oppermann2006-02-181-0/+2
| | | | | | | | | | | | | | can't be changed from userland. Make them read-only and provide descriptions. kern.ipc.max_datalen must never be less than one byte. Enforce this with a panic in net_init_domain(). Sponsored by: TCP/IP Optimization Fundraise 2005 MFC after: 3 days Notes: svn path=/head/; revision=155820
* /* -> /*- for copyright notices, minor format tweaks as necessaryWarner Losh2005-01-061-1/+1
| | | | Notes: svn path=/head/; revision=139804
* Start the protocol timeouts only after all domains have been initializedMax Laier2004-12-091-3/+3
| | | | | | | | | | | | | | | | completely. For some reason (that I am still curious about) we started to no longer manage to finish the initialization before the timeouts run the first time leading to panics when using uninitialized mutex etc. The root of this problem is that we currently first link a domain to the domains list and only later initialize the domain's protocols. This should be reworked in the future, but with the current API it is not possible in all situations. We settle with this lazy fix for now. Tested by: gnn, ru, myself Notes: svn path=/head/; revision=138622
* Am I smoking crack? Correct stupid, wrong ASSERT -> if conversion and makeMax Laier2004-12-021-2/+2
| | | | | | | | | | it do what I had in mind. Noticed by: glebius Pointyhat to: me, myself and mlaier Notes: svn path=/head/; revision=138315
* Implement the check I was talking about in the previous message already.Max Laier2004-11-301-0/+37
| | | | | | | | | | | | | | | | | | | | Introduce domain_init_status to keep track of the init status of the domains list (surprise). 0 = uninitialized, 1 = initialized/unpopulated, 2 = initialized/done. Higher values can be used to support late addition of domains which right now "works", but is potential dangerous. I choose to only give a warning when doing so. Use domain_init_status with if_attachdomain[1]() to ensure that we have a complete domains list when we init the if_afdata array. Store the current value of domain_init_status in if_afdata_initialized. This way we can update if_afdata after a new protocol has been added (once that is allowed). Submitted by: se (with changes) Reviewed by: julian, glebius, se PR: kern/73321 (partly) Notes: svn path=/head/; revision=138239
* - Introduce protosw_init().Gleb Smirnoff2004-11-111-26/+31
| | | | | | | | | | | - Utilize it in net_init_domain(). - Utilize it pf_proto_register(), fixing panic on natd start. Reviewed by: ru, phk, obrien Notes: svn path=/head/; revision=137586
* Initialize struct pr_userreqs in new/sparse style and fill in commonPoul-Henning Kamp2004-11-081-11/+41
| | | | | | | | | default elements in net_init_domain(). This makes it possible to grep these structures and see any bogosities. Notes: svn path=/head/; revision=137386
* Aquire GIANT in pf_proto_[un]register() before manipulating the protosw.Andre Oppermann2004-10-231-5/+27
| | | | Notes: svn path=/head/; revision=136819
* Support for dynamically loadable and unloadable protocols within existing ↵Andre Oppermann2004-10-191-2/+136
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | protocol families. The protosw[] array of any particular protocol family ("domain") is of fixed size defined at compile time. This made it impossible to dynamically add or remove any protocols to or from it. We work around this by introducing so called SPACER's which are embedded into the protosw[] array at compile time. The SPACER's have a special protocol number (32767) to indicate the fact that they are SPACER's but are otherwise NULL. Only as many protocols can be dynamically loaded as SPACER's are provided in the protosw[] structure. The pr_usrreqs structure is treated more special and contains pointers to dummy functions only returning EOPNOTSUPP. This is needed because the use of those functions pointers is usually not checked within the kernel because until now it was assumed to be a valid function pointer. Instead of fixing all potential callers we just return a proper error code. Two new functions provide a clean API to register and unregister a protocol. The register function expects a pointer to a valid and complete struct protosw including a pointer to struct pru_usrreqs provided by the caller. Upon successful registration the pr_init() function will be called to finish initialization of the protocol. The unregister function restores the SPACER in place of the protocol again. It is the responseability of the caller to ensure proper closing of all sockets and freeing of memory allocation by the unloading protocol. sys/protosw.h o Define generic PROTO_SPACER to be 32767 o Prototypes for all pru_*_notsupp() functions o Prototypes for pf_proto_[un]register() functions kern/uipc_domain.c o Global struct pr_usrreqs nousrreqs containing valid pointers to the pru_*_notsupp() functions o New functions pf_proto_[un]register() kern/uipc_socket2.c o New functions bodies for all pru_*_notsupp() functions Notes: svn path=/head/; revision=136692
* Remove advertising clause from University of California Regent's license,Warner Losh2004-04-051-4/+0
| | | | | | | | | per letter dated July 22, 1999. Approved by: core Notes: svn path=/head/; revision=127911
* If debug.mpsafenet, initialize UNIX domain socket timeouts as MPSAFE;Robert Watson2004-03-291-2/+11
| | | | | | | otherwise, assert Giant in the callouts. Notes: svn path=/head/; revision=127574
* move domain list mutex initialization to earlier in the boot sequence soSam Leffler2003-09-021-2/+1
| | | | | | | | | statically configured modules like netgraph can call net_init_domain Noticed by: D.Rock@t-online.de (D. Rock) Notes: svn path=/head/; revision=119698
* o interlock domain list when adding domainsSam Leffler2003-09-011-8/+9
| | | | | | | | | | | | | | | | | | o remove irrlevant spl Notes: 1. We don't lock domain list traversals as this is safe until we start removing domains. 2. The calculation of max_datalen in net_init_domain appears safe as noone depends on max_hdr and max_datalen having consistent values. 3. Giant is still held for fast and slow timeouts; this must stay until each timeout routine is properly locked (coming soon). Sponsored by: FreeBSD Fondation Notes: svn path=/head/; revision=119639
* Use __FBSDID().David E. O'Brien2003-06-111-1/+3
| | | | Notes: svn path=/head/; revision=116182
* Fix a spelling error.Rob Braun2003-03-071-1/+1
| | | | | | | | Submitted by: jkh Reviewed by: zarzycki Notes: svn path=/head/; revision=111968
* Back out my lats commit of locking down a socket, it conflicts with hsu's work.Seigo Tanimura2002-05-311-5/+3
| | | | | | | Requested by: hsu Notes: svn path=/head/; revision=97658
* Lock down a socket, milestone 1.Seigo Tanimura2002-05-201-3/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | o Add a mutex (sb_mtx) to struct sockbuf. This protects the data in a socket buffer. The mutex in the receive buffer also protects the data in struct socket. o Determine the lock strategy for each members in struct socket. o Lock down the following members: - so_count - so_options - so_linger - so_state o Remove *_locked() socket APIs. Make the following socket APIs touching the members above now require a locked socket: - sodisconnect() - soisconnected() - soisconnecting() - soisdisconnected() - soisdisconnecting() - sofree() - soref() - sorele() - sorwakeup() - sotryfree() - sowakeup() - sowwakeup() Reviewed by: alfred Notes: svn path=/head/; revision=96972
* Add calls to uma_zone_set_max() to restore previously enforced limits.Jeff Roberson2002-03-201-0/+1
| | | | Notes: svn path=/head/; revision=92759
* Remove references to vm_zone.h and switch over to the new uma API.Jeff Roberson2002-03-201-12/+5
| | | | | | | | Also, remove maxsockets. If you look carefully you'll notice that the old zone allocator never honored this anyway. Notes: svn path=/head/; revision=92751
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